/*
 * Copyright (C) 2012 Santiago Valdarrama
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at 
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 */
package com.yuanmei.stockeyes.layouts;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Paint.Style;
import android.graphics.drawable.ShapeDrawable;
import android.graphics.drawable.shapes.RectShape;
import android.util.AttributeSet;
import android.widget.RelativeLayout;

import com.yuanmei.stockeyes.artifacts.Extensions;

public class BorderRelativeLayout extends RelativeLayout {

    private ShapeDrawable shapeDrawable;
    private int border;
    private Paint paint;

    public BorderRelativeLayout(Context context) {
        super(context);
    }

    public BorderRelativeLayout(Context context, AttributeSet attrs) {
        super(context, attrs);
        this.border = Extensions.dpToPixels(getResources(), 3);

        this.shapeDrawable = new ShapeDrawable(new RectShape());

        this.paint = this.shapeDrawable.getPaint();
        this.paint.setStrokeWidth(Extensions.dpToPixels(getResources(), 1));
        this.paint.setColor(0xf2f2f2ff);
        this.paint.setStyle(Style.STROKE);
    }

    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        updateDrawableBounds();

        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
    }

    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);
        this.shapeDrawable.draw(canvas);
    }

    @Override
    public int getBaseline() {
        return 0;
    }

    @Override
    protected void onLayout(boolean changed, int l, int t, int r, int b) {
        super.onLayout(changed, l, t, r, b);
        this.shapeDrawable.setBounds(this.border, this.border, getWidth() - this.border, getHeight() - this.border);
    }

    private void updateDrawableBounds() {
        this.shapeDrawable.setBounds(this.border, this.border, getWidth() - this.border, getHeight() - this.border);
    }

}
